Update targetconfig.json (#1706)

* Update targetconfig.json

Remove PiSupply org and add extensions.

As part of reviewing extension approvals we will be moving away from approved organisations.

* Update targetconfig.json

targetconfig.json

@@ -5,8 +5,7 @@
             "microbit-foundation",
             "KitronikLtd",
             "tinkertanker",
-            "Seeed-Studio",
-            "PiSupply"
+            "Seeed-Studio"
         ],
         "approvedRepos": [
             "CoderDojoOlney/pxt-olney",
@@ -60,7 +59,12 @@
             "makecode-extensions/NTC",
             "makecode-extensions/DS1302",
             "makecode-extensions/LiBat",
-            "BirdBrainTechnologies/pxt-hummingbird-bit"
+            "BirdBrainTechnologies/pxt-hummingbird-bit",
+            "PiSupply/pxt-iot-lora-node",
+            "PiSupply/pxt-tinker-kit",
+            "PiSupply/pxt-bitbuggy",
+            "PiSupply/pxt-oled-ssd1306"
+
         ],
         "preferredRepos": [
             "Microsoft/pxt-neopixel",